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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 604 · 40 questions
TalentJR

Remember (What comes out?): Sources give electricity: cells, batteries, solar panels, generators, dynamos, power stations. Appliances use it and change it: light (torch, tube light), heat (iron, kettle, toaster), movement (fan, mixer, drill), sound (doorbell, buzzer, speaker). Ask: what comes out when it works? That is the energy it mainly gives.

NameDateTime takenScore ___ / 40
  1. 1.Which of these mainly gives out heat? (a) a water heater (b) an exhaust fan (c) a mixer grinder (d) a tube light
  2. 2.Which of these mainly makes movement? (a) a night lamp (b) a loudspeaker (c) a traffic signal (d) an electric drill
  3. 3.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  4. 4.Which of these mainly gives out heat? (a) an electric iron (b) a torch (c) a tube light (d) a night lamp
  5. 5.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  6. 6.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.🔍 Which is the odd one out? (a) an LED lamp (b) a tube light (c) a night lamp (d) a toaster
  8. 8.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  9. 9.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  10. 10.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ What does a night lamp mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  12. 12.Which of these mainly gives out light? (a) a ceiling fan (b) a buzzer (c) a table fan (d) a traffic signal
  13. 13.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.Which of these mainly gives out heat? (a) a loudspeaker (b) a room heater (c) a street light (d) a siren
  15. 15.True or false: a buzzer mainly makes sound. (a) True (b) False
  16. 16.True or false: a school bell mainly makes sound. (a) False (b) True
  17. 17.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  18. 18.🔍 Which is the odd one out? (a) a table fan (b) an electric toy car (c) an exhaust fan (d) a siren
  19. 19.True or false: a tube light mainly gives out heat. (a) True (b) False
  20. 20.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: a table fan mainly makes movement. (a) True (b) False
  22. 22.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  23. 23.Which of these mainly makes movement? (a) a buzzer (b) a ceiling fan (c) an electric kettle (d) an LED lamp
  24. 24.🔍 Which is the odd one out? (a) a mixer grinder (b) a toaster (c) an electric kettle (d) a room heater
  25. 25.Which of these mainly gives out light? (a) a school bell (b) a tube light (c) a ceiling fan (d) a table fan
  26. 26.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a television (d) a solar panel
  27. 27.True or false: a doorbell mainly makes movement. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) a tube light (b) a rice cooker (c) a water heater (d) an electric kettle
  29. 29.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a wind turbine (d) a mobile phone
  30. 30.Which of these mainly gives out light? (a) a ceiling fan (b) a room heater (c) an electric kettle (d) an LED lamp
  31. 31.🔍 Which is the odd one out? (a) a water heater (b) a toaster (c) an electric kettle (d) an exhaust fan
  32. 32.True or false: a toaster mainly gives out heat. (a) False (b) True
  33. 33.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a television (d) a battery
  34. 34.🔍 Which is the odd one out? (a) a table fan (b) a ceiling fan (c) a mixer grinder (d) a traffic signal
  35. 35.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these mainly gives out light? (a) a night lamp (b) an electric iron (c) a buzzer (d) an electric kettle
  37. 37.🔍 Which is the odd one out? (a) a tube light (b) a loudspeaker (c) a night lamp (d) a traffic signal
  38. 38.True or false: a doorbell mainly makes sound. (a) False (b) True
  39. 39.Which of these gives us electricity? (a) a power station (b) a water pump (c) a computer (d) a refrigerator
  40. 40.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. a water heater
  2. an electric drill
  3. heat
  4. an electric iron
  5. electrical energy
  6. gives electricity
  7. a toaster
  8. movement energy
  9. movement
  10. uses electricity
  11. light
  12. a traffic signal
  13. gives electricity
  14. a room heater
  15. True
  16. True
  17. movement energy
  18. a siren
  19. False
  20. uses electricity
  21. True
  22. sound
  23. a ceiling fan
  24. a mixer grinder
  25. a tube light
  26. a solar panel
  27. False
  28. a tube light
  29. a wind turbine
  30. an LED lamp
  31. an exhaust fan
  32. True
  33. a battery
  34. a traffic signal
  35. gives electricity
  36. a night lamp
  37. a loudspeaker
  38. True
  39. a power station
  40. gives electricity

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